And herein lies our problem with the "art" debate. Everyone's opinions differ on what makes an art, because there is no concrete definition of it, and nor should there be. Trying to convince someone of your opinionated point of view is completely pointless, because it's their opinions vs yours.
no, not really, if your two handed cuts have different openers and different closers, even children can see the difference. for example, a sybil opener vs a molecule opener, or a cobra close vs a bad habit close.
So even by your own words, you admit without different openers or closers that people wouldn't be able to tell the difference between 2 handed cuts.